- Reliable Performance: Our new brand battery features advanced production technology and comprehensive testing, ensuring real capacity and dependable quality you can trust. - Specifications: - Battery Type: Li-ion - Voltage: 12V - Capacity: 3000mAh - Power: 36W - Horsepower: 0.05Hp - Color: Black & Red - Compatibility: This professional replacement battery is designed to work seamlessly with various power tools, including models 2277-21, 2277-21NST, 2290-20, 2290-21, 2310-21, and 2311-20, meeting OEM standards for a perfect fit. - Extended Use: High-quality battery cells provide longer running times, making this battery ideal for intensive tasks such as woodworking, construction, and home improvement projects. - Certification and Quality Assurance: Our product is FCC, RoHS, and CE certified. Each battery is rigorously tested by the manufacturer to ensure it meets or exceeds OEM specifications, delivering performance that matches or surpasses original batteries. - Practical Applications: Whether you need to power tools for DIY home repairs, professional renovations, or outdoor projects, this battery enhances your productivity and efficiency with reliable energy supply. Choose our battery for a dependable, high-performance solution that keeps your power tools running smoothly.